Cosciens Biopharma Inc. · TSX:CSCI

Cosciens Biopharma — Aeterna Zentaris — Investor Presentation (March 2021)

26 slides from Cosciens Biopharma's investor presentation, Mar 19, 2021

  1. Slide 1: In Pursuit of Medical Innovations

    zentaris.com NASDAQ: AEZS / TSX: AEZS ALTERNA ZENTARIS In Pursuit of Medical Innovations March 2021 Corporate Presentation

  2. Slide 2: Forward-Looking Statements

    Forward-Looking Statements ‘This document contains forward-looking statements (as defined by applicable securities legislation) made pursuant to the safe-harbor provision of the U.S. Securities Litigation Reform Act of 1995 and forward- looking information (as defined under applicable Canadian secur

  3. Slide 3: Where We Are Today

    Where We Are Today Investment Highlights Macimorelin Commercial and Development Partner European Commercial Partner First and only approved oral drug indicated Novo Nordisk is the global leader in growth Consilient Health is a privately owned for diagnosis of adult growth hormone Pais ea Gs pharma c

  4. Slide 4: Growth Opportunities

    Growth Opportunities Childhood-Onset Growth Hormone = A Pipeline Macimorelin as a Therapeutic Deficiency (CGHD) Testing Expansion a == = & be oa Leveraging AGHD approval Working with Advancing Therapeutic and compelling safety profile’ The University of Queensland and Vaccine Programs ALTERNA 4 1: M

  5. Slide 5: Commercial and Development Diagnostic Pipeline

    Commercial and Development Diagnostic Pipeline ———————. Commercial Rights Program Indication Preclinical Phase1 Phase2 Phase3 Commercial U.S./Canada Europe Israel ROW g | L by xe) ; _ Adult Growth Hormone Ak Gonsilient _fuMesaPia) YETERNA = Macimorelin Deficiency (AGHD) sav avery @ 2 Ty ZENTARIS fo)

  6. Slide 6: Therapeutic and Vaccine Development Pipeline

    Therapeutic and Vaccine Development Pipeline Program Indication Preclinical Phase1 Phase2 Phase3 —————— Program Highlights Neuromyelitis Optica ()) AIM Biologicals Spectrum Disorder [i In-licensed program in January 2021 — (NMOSD) Bi] o Undisclosed : i ir P Entered material transfer agreement and TH

  7. Slide 7: Executing on Key 2021 Initiative

    Executing on Key 2021 Initiative Building A Pipeline Beyond Diagnostics Developing Therapeutics and Vaccines to Secure Long-Term Growth

  8. Slide 8: Potential treatment option for NMOSD

    Julius-Maximilians UNIVERSITAT WURZBURG Potential treatment option for neuromyelitis optica spectrum disorder (NMOSD) NMOSD is an auto-antibody mediated inflammatory CNS orphan disorder with significant unmet need Entered exclusive license and R&D agreement with Julius-Maximilians- University of Wue

  9. Slide 9: The Promise of Immunosuppressive Drugs

    The Promise of Immunosuppressive Targeted, Physiological, Drugs Antigen-Specific 5 Immunosuppression Reduce disease symptoms May cause severe side effects Autoimmune Antigen-specific Diseases are Immunosuppression Enhanced by autoreactive effector T cells ® Ameliorated by protective effector T cells

  10. Slide 10: Macimorelin as a Potential Therapeutic

    Macimorelin as a Potential Therapeutic THE UNIVERSITY Q] oO OF QUEENSLAND Vo AUSTRALIA Entered Material Transfer Agreement Initially targeting as a potential University researchers to secure grants (MTA) with University of Queensland treatment for an undisclosed and conduct preclinical and clinical

  11. Slide 11: Majority of motor neuron disease patients have GH deficiency

    Majority of motor neuron disease (MND) patients have a moderate to marked GH deficiency

  12. Slide 12: Delayed Clearance Parathyroid Hormone (DC-PTH) Fusion Polypeptides

    Delayed Clearance Parathyroid Hormone (DC-PTH) Fusion Polypeptides Hypoparathyroidism oe aX PTH is a key regulating hormone Body produces abnormally low levels of PTH I) essential for calcium homeostasis and renal phosphate clearance oO Orphan indication — {S) Pel = Potential to be a self- @ 23 3/ a

  13. Slide 13: Oral COVID-19 Vaccine Platform

    aS UNIVERSITAT WURZBURG Paul-Ehrlich-Institut 2% Orally active live-attenuated bacterial vaccine based on the salmonella typhi Ty21a carrier strain Currently undergoing preclinical studies for the prevention of coronavirus diseases, including COVID-19 (SARS-CoV-2) Entered exclusive license and resea

  14. Slide 14: Macimorelin: A Disruptive Oral Diagnostic

    Macimorelin A Disruptive Oral Diagnostic G

  15. Slide 15: Produced by the pituitary gland

    Produced by the pituitary gland 15 (located at the base of the brain)

  16. Slide 16: Childhood-Onset Growth Hormone Deficiency

    Childhood-Onset Growth Hormone Deficiency Positive results in dose finding study M announced April 2020 Planned safety and efficacy study to commence early Q2 2021 American Association of Clinical Endocrinologists 2019 Guidelines “Because the test is simple, well tolerated ia ere 3 . P ith minimal s

  17. Slide 17: Leveraging Clinical Success and Compelling Safety Profile

    Leveraging Clinical Success and Compelling Safety Profile Expand Macimorelin Into CGHD Testing Through Use of Pediatric Development Plan Unified Clinical Protocol Agreed with U.S. FDA and EMA r ») YX EUROPEAN MEDICINES AGENCY SCIENCE MEDICINES HEALTH 17 ALTERNA ZENTARIS

  18. Slide 18: Co-Development with Novo Nordisk

    @ * Co-Development with Novo Nordisk (NN) ap * Aeterna Zentaris to be the responsible Sponsor overseeing the study \ * NN to fund 100% of budgeted Study P02 trial expenses up to €9 million novo nordisk Potential additional expenses to be shared Lf ETERNA

  19. Slide 19: Study design: children and adolescents enrolled

    Children and adolescents from 2 to less than 18 years of age with if suspected GHD to be enrolled 2 (Years) <18 2 100 subjects worldwide * Macimorelin GHST will be performed twice (for repeatability data) = Aoipre-pubertalland 40 pubertal subjects * Two standard GHSTs as controls: arginine (i.v.), c

  20. Slide 20: Corporate Overview

    Corporate Overview

  21. Slide 21: Macimorelin Commercial Rights

    Macimorelin Commercial Rights Actively seeking commercial partners in ROW novo nordisk License and Assignment Agreement Territories: United States and Canada Royalties on sales Sales milestones Aeterna Zentaris controls API supply chain and provides API Co-development for expansion into CGHD + Novo

  22. Slide 22: Shares Outstanding and Average Volume

    ~120M ~20M Shares 3 month Outstanding’ Avg. Volume’

  23. Slide 23: Management Team

    Eckhard Guenther, PhD Managing Director / Senior VP, Business Development Aeterna Zentaris GmbH Leslie Auld, CPA, MBA Senior VP. Chief Financial Officer

  24. Slide 24: Expected Value Driving Milestones

    Expected Value Driving Milestones v Successful completion of Study P01 ile ae alcia all Planned start of CGHD Witt), Neves Norsk clinical safety and efficacy v European Licensing Agreement with study (AEZS-130-P02-— Planned submission - FDA Consilient Health Ltd. multi-national, including U.S.) and

  25. Slide 25: Investment Summary

    Investment Summary Executing on key 2021 initiative to build a pipeline beyond diagnostics — seca See ocr rr eaot ner ter eens ea acese + DC-PTH fusion polypeptides as a potential treatment for primary hypoparathyroidism Macimorelin is the only approved oral product for diagnosis of adult growth hor

  26. Slide 26: Investor & Media Relations

    zentaris.com NASDAQ: AEZS / TSX: AEZS ALTERNA ZENTARIS In Pursuit of Medical Innovations Investor & Media Relations JTC Team 833.475.8247 aezs@jtcir.com

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